Tuesday, May 17, 2011

More of the Periodic Table!

The 1800s was huge for discoveries regarding the periodic table. Here's what you need to know:

Law of Octaves - John Newland
He proposed that elements are arranged according to their atomic weight


Mendeleev:
Discovered that certain features of elements recurred when elements were arranged in order according to mass. Therefore, he decided to organize the elements in periods and families or groups, also known in the general English language as a row or a column. He even left gaps in the table, leaving room for other elements with similar characteristics to be discovered. (Smart cookie!) He is known as the 'father' of the periodic table.


                                                      The smart cookie! (Mendeleev)
Modern Times:
Periodic Law : Elements recur periodically when arranged from lowest to highest atomic number.
-Elements are arranged according to their atomic number. (Got that wrong on the test, damn! But at least you'll know now!)

Here are some fun videos for you!

The Mendeleev Song!
History on Mendeleev
Newland documentary

Now your daily chemistry related lolcat!

Enjoy and I hope everyone did great on the test!

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